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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.232 by root, Wed Apr 4 02:07:19 2007 UTC vs.
Revision 1.427 by root, Sat Apr 26 12:25:45 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV 3.2;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro 4.50 ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::EV;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
20	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
21		47
		48	use JSON::XS 2.01 ();
22	use BDB ();	49	use BDB ();
23	use Data::Dumper;	50	use Data::Dumper;
24	use Digest::MD5;	51	use Digest::MD5;
25	use Fcntl;	52	use Fcntl;
26	use YAML::Syck ();	53	use YAML ();
27	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
28	use Time::HiRes;	55	use Time::HiRes;
29	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
30		58
31	# configure various modules to our taste	59	# configure various modules to our taste
32	#	60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
33	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		64
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
42		66
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		68
45	our %COMMAND = ();	69	our %COMMAND = ();
46	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
47		71
48	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
52		77
53	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
54	our @EVENT;	79	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		80
57	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
59	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	97	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		99
65	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	104	our $DB_ENV;
67		105
68	our %CFG;	106	our %CFG;
69		107
70	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
72		111
73	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		115
82	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
85	binmode STDOUT;	124	binmode STDOUT;
86	binmode STDERR;	125	binmode STDERR;
87		126
88	# read virtual server time, if available	127	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
93	}	132	}
94		133
95	mkdir cf::localdir;	134	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		136
102	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
103		138
104	sub cf::map::normalise;	139	sub cf::map::normalise;
105		140
…		…
116	=item $cf::RUNTIME	151	=item $cf::RUNTIME
117		152
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	154	every server tick.
120		155
121	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		159
123	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
125		164
126	=item $cf::NOW	165	=item $cf::NOW
127		166
128	The time of the last (current) server tick.	167	The time of the last (current) server tick.
129		168
130	=item $cf::TICK	169	=item $cf::TICK
131		170
132	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
133		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
134	=item %cf::CFG	183	=item %cf::CFG
135		184
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	186	from wherever your confdir points to.
138		187
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		189
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
145		199
146	=back	200	=back
147		201
148	=cut	202	=cut
149		203
150	BEGIN {	204	BEGIN {
151	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	206	my $msg = join "", @_;
153	utf8::encode $msg;
154		207
155	$msg .= "\n"	208	$msg .= "\n"
156	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
157		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
158	LOG llevError, $msg;	213	LOG llevError, $msg;
159	};	214	};
160	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
161		231
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		239
169	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	241	# within the Safe compartment.
171	for my $pkg (qw(	242	for my $pkg (qw(
172	cf::global cf::attachable	243	cf::global cf::attachable
…		…
177	)) {	248	)) {
178	no strict 'refs';	249	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	251	}
181		252
182	$Event::DIED = sub {	253	$EV::DIED = sub {
183	warn "error in event callback: @_";	254	warn "error in event callback: @_";
184	};	255	};
		256
		257	#############################################################################
185		258
186	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
187		260
188	=over 4	261	=over 4
189		262
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	282	$d
210	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
211	}	284	}
212		285
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
216		287
217	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
218		289
219	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
220		291
221	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
222		300
223	=item cf::lock_wait $string	301	=item cf::lock_wait $string
224		302
225	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
226		304
…		…
229	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
232	returned.	310	returned.
233		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
234	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
236		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
237	=cut	322	=cut
238		323
239	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
240		326
241	sub lock_wait($) {	327	sub lock_wait($) {
242	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
243		334
244	# wait for lock, if any	335	# wait for lock, if any
245	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	338	Coro::schedule;
…		…
253		344
254	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
255	lock_wait $key;	346	lock_wait $key;
256		347
257	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
258		350
259	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
262	}	355	}
263	}	356	}
264		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
265	sub freeze_mainloop {	364	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
267		366
268	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
269	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
270	};	428	}
271	$TICK_WATCHER->stop;	429	};
272	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
273	}	443	}
274		444
275	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
276		446
277	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		452
283	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
284		454
285	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
286		456
287	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
290		461
291	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
294	fast or be very important.	465	fast or be very important.
…		…
297		468
298	sub sync_job(&) {	469	sub sync_job(&) {
299	my ($job) = @_;	470	my ($job) = @_;
300		471
301	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
302	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
304		477
305	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	479
307	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
308		481
309	my $busy = 1;	482	my $busy = 1;
310	my @res;	483	my @res;
311		484
312	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	487	@res = eval { $job->() };
314	warn $@ if $@;	488	warn $@ if $@;
315	undef $busy;	489	undef $busy;
316	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
317		491
318	while ($busy) {	492	while ($busy) {
319	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
320	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
321		503
322	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
323	} else {	505	} else {
324	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
325		507
…		…
345	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
346		528
347	$coro	529	$coro
348	}	530	}
349		531
350	sub write_runtime {	532	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		533
353	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
354		538
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
356	or return;
357		540
358	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		543
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
363	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
364		547
365	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	549	reset_signals;
367	and return;	550	&$cb
		551	}, @args;
368		552
369	close $fh	553	wantarray ? @res : $res[-1]
370	or return;	554	}
371		555
372	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
373	and return;
374		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
375	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
376	}	708	}
377		709
378	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
379		711
380	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
400		732
401	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	735	Deliantra).
404		736
405	=over 4	737	=over 4
406		738
407	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
408		740
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
572		904
573	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		909
578	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	911	my $pkg = shift @arg;
580		912
581	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
611	}	943	}
612		944
613	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
614	} else {	946	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	948	}
617		949
618	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
619	}	951	}
620		952
…		…
622	if (ref $_[0]) {	954	if (ref $_[0]) {
623	_object_attach @_;	955	_object_attach @_;
624	} else {	956	} else {
625	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
626	}	958	}
		959	_recalc_want;
627	};	960	};
628		961
629	# all those should be optimised	962	# all those should be optimised
630	sub cf::attachable::detach {	963	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
635	reattach ($obj);	968	reattach ($obj);
636	} else {	969	} else {
637	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
638	}	971	}
		972	_recalc_want;
639	};	973	};
640		974
641	sub cf::attachable::attached {	975	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
643		977
…		…
658	";	992	";
659	die if $@;	993	die if $@;
660	}	994	}
661		995
662	our $override;	996	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		998
665	sub override {	999	sub override {
666	$override = 1;	1000	$override = 1;
667	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
668	}	1002	}
669		1003
670	sub do_invoke {	1004	sub do_invoke {
671	my $event = shift;	1005	my $event = shift;
672	my $callbacks = shift;	1006	my $callbacks = shift;
673		1007
674	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
675		1009
676	local $override;	1010	local $override;
677		1011
678	for (@$callbacks) {	1012	for (@$callbacks) {
679	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
688	}	1022	}
689		1023
690	0	1024	0
691	}	1025	}
692		1026
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1028
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1030
697	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
698		1032
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1036
703	=back	1037	=back
704		1038
705	=cut	1039	=cut
706		1040
707	#############################################################################	1041	#############################################################################
708	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
709		1085
710	sub reattach {	1086	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1088	my ($obj) = @_;
713		1089
…		…
734	cf::attachable->attach (	1110	cf::attachable->attach (
735	prio => -1000000,	1111	prio => -1000000,
736	on_instantiate => sub {	1112	on_instantiate => sub {
737	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
738		1114
739	$data = from_json $data;	1115	$data = decode_json $data;
740		1116
741	for (@$data) {	1117	for (@$data) {
742	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
743		1119
744	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1136	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
762		1138
763	sync_job {	1139	sync_job {
764	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
767		1144
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1149	aio_close $fh;
773		1150
774	if (@$objs) {	1151	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1157	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
782	}	1159	}
783	} else {	1160	} else {
784	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
785	}	1162	}
…		…
790	}	1167	}
791	} else {	1168	} else {
792	aio_unlink $filename;	1169	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
794	}	1171	}
795	}	1172	};
796	}	1173	}
797		1174
798	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
800		1177
…		…
812	or return;	1189	or return;
813		1190
814	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
816	or return;	1193	or return;
		1194
817	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
818	}	1197	}
819		1198
		1199	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
822	return ($data, $av);	1203	($data, $av)
823	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
824		1211
825	#############################################################################	1212	#############################################################################
826	# command handling &c	1213	# command handling &c
827		1214
828	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1229	}
843		1230
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1232
846	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
847		1238
848	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
849	called.	1240	called.
850		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
851	=cut	1253	=cut
852		1254
853	sub register_extcmd {	1255	sub register_extcmd {
854	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
855		1257
856	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
857	}	1265	}
858		1266
859	cf::player->attach (	1267	cf::player->attach (
860	on_command => sub {	1268	on_command => sub {
861	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1278	cf::override;
871	},	1279	},
872	on_extcmd => sub {	1280	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
874		1282
875	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1284
877	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
883	} else {	1300	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1302	}
886		1303
887	cf::override;	1304	cf::override;
888	},	1305	},
889	);	1306	);
890		1307
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
926	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1313	next unless -r $path;
928	eval {	1314
929	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
930	1	1371	}
931	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
932	}	1377	};
933	}	1378	}
934		1379
935	#############################################################################	1380	#############################################################################
936		1381
		1382	=back
		1383
937	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
938		1385
939	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
940		1387
941	=cut	1388	=cut
…		…
946		1393
947	=head3 cf::player	1394	=head3 cf::player
948		1395
949	=over 4	1396	=over 4
950		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
951	=item cf::player::find $login	1412	=item cf::player::find $login
952		1413
953	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
954		1415
955	=cut	1416	=cut
956		1417
957	sub playerdir($) {	1418	sub playerdir($) {
958	cf::localdir	1419	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1421	}
964		1422
965	sub path($) {	1423	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1425
968	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
969	}	1427	}
970		1428
971	sub find_active($) {	1429	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1444	my $login = $_[0];
987		1445
988	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
989		1447
990	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
992	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
994	}	1465	}
995	}	1466	}
996	}	1467	}
997		1468
…		…
1006	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
1007		1478
1008	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
1010		1481
		1482	cf::get_slot 0.01;
		1483
1011	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
1012	Coro::cede;	1485	cf::cede_to_tick;
1013	}	1486	}
1014		1487
1015	sub new($) {	1488	sub new($) {
1016	my ($login) = @_;	1489	my ($login) = @_;
1017		1490
…		…
1021	$self->{deny_save} = 1;	1494	$self->{deny_save} = 1;
1022		1495
1023	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1024		1497
1025	$self	1498	$self
		1499	}
		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
1026	}	1509	}
1027		1510
1028	=item $pl->quit_character	1511	=item $pl->quit_character
1029		1512
1030	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1562	while and may block, so not sync_job-capable, ever.
1080		1563
1081	=cut	1564	=cut
1082		1565
1083	sub list_logins {	1566	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1567	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1568	or return [];
1086		1569
1087	my @logins;	1570	my @logins;
1088		1571
1089	for my $login (@$dirs) {	1572	for my $login (@$dirs) {
		1573	my $path = path $login;
		1574
		1575	# a .pst is a dead give-away for a valid player
		1576	# if no pst file found, open and chekc for blocked users
		1577	if (aio_stat "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1578	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1579	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1580	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1581	}
1093		1582
1094	utf8::decode $login;	1583	utf8::decode $login;
1095	push @logins, $login;	1584	push @logins, $login;
1096	}	1585	}
1097		1586
…		…
1124	}	1613	}
1125		1614
1126	\@paths	1615	\@paths
1127	}	1616	}
1128		1617
		1618	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1619
		1620	Expand crossfire pod fragments into protocol xml.
		1621
		1622	=cut
		1623
		1624	use re 'eval';
		1625
		1626	my $group;
		1627	my $interior; $interior = qr{
		1628	# match a pod interior sequence sans C<< >>
		1629	(?:
		1630	\ (.*?)\ (?{ $group = $^N })
		1631	| < (??{$interior}) >
		1632	)
		1633	}x;
		1634
		1635	sub expand_cfpod {
		1636	my ($self, $pod) = @_;
		1637
		1638	my $xml;
		1639
		1640	while () {
		1641	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1642	$group = $1;
		1643
		1644	$group =~ s/&/&amp;/g;
		1645	$group =~ s/</&lt;/g;
		1646
		1647	$xml .= $group;
		1648	} elsif ($pod =~ m%\G
		1649	([BCGHITU])
		1650	<
		1651	(?:
		1652	([^<>]*) (?{ $group = $^N })
		1653	| < $interior >
		1654	)
		1655	>
		1656	%gcsx
		1657	) {
		1658	my ($code, $data) = ($1, $group);
		1659
		1660	if ($code eq "B") {
		1661	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1662	} elsif ($code eq "I") {
		1663	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1664	} elsif ($code eq "U") {
		1665	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1666	} elsif ($code eq "C") {
		1667	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1668	} elsif ($code eq "T") {
		1669	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1670	} elsif ($code eq "G") {
		1671	my ($male, $female) = split /\|/, $data;
		1672	$data = $self->gender ? $female : $male;
		1673	$xml .= expand_cfpod ($self, $data);
		1674	} elsif ($code eq "H") {
		1675	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1676	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1677	"")
		1678	[$self->{hintmode}];
		1679	} else {
		1680	$xml .= "error processing '$code($data)' directive";
		1681	}
		1682	} else {
		1683	if ($pod =~ /\G(.+)/) {
		1684	warn "parse error while expanding $pod (at $1)";
		1685	}
		1686	last;
		1687	}
		1688	}
		1689
		1690	for ($xml) {
		1691	# create single paragraphs (very hackish)
		1692	s/(?<=\S)\n(?=\w)/ /g;
		1693
		1694	# compress some whitespace
		1695	s/\s+\n/\n/g; # ws line-ends
		1696	s/\n\n+/\n/g; # double lines
		1697	s/^\n+//; # beginning lines
		1698	s/\n+$//; # ending lines
		1699	}
		1700
		1701	$xml
		1702	}
		1703
		1704	no re 'eval';
		1705
		1706	sub hintmode {
		1707	$_[0]{hintmode} = $_[1] if @_ > 1;
		1708	$_[0]{hintmode}
		1709	}
		1710
1129	=item $player->ext_reply ($msgid, %msg)	1711	=item $player->ext_reply ($msgid, @msg)
1130		1712
1131	Sends an ext reply to the player.	1713	Sends an ext reply to the player.
1132		1714
1133	=cut	1715	=cut
1134		1716
1135	sub ext_reply($$%) {	1717	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1718	my ($self, $id, @msg) = @_;
1137		1719
1138	$msg{msgid} = $id;	1720	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1721	}
1142		1722
1143	=item $player->ext_event ($type, %msg)	1723	=item $player->ext_msg ($type, @msg)
1144		1724
1145	Sends an ext event to the client.	1725	Sends an ext event to the client.
1146		1726
1147	=cut	1727	=cut
1148		1728
1149	sub ext_event($$%) {	1729	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1730	my ($self, $type, @msg) = @_;
1151		1731
1152	$self->ns->ext_event ($type, %msg);	1732	$self->ns->ext_msg ($type, @msg);
1153	}	1733	}
1154		1734
1155	package cf;	1735	=head3 cf::region
		1736
		1737	=over 4
		1738
		1739	=cut
		1740
		1741	package cf::region;
		1742
		1743	=item cf::region::find_by_path $path
		1744
		1745	Tries to decuce the likely region for a map knowing only its path.
		1746
		1747	=cut
		1748
		1749	sub find_by_path($) {
		1750	my ($path) = @_;
		1751
		1752	my ($match, $specificity);
		1753
		1754	for my $region (list) {
		1755	if ($region->{match} && $path =~ $region->{match}) {
		1756	($match, $specificity) = ($region, $region->specificity)
		1757	if $region->specificity > $specificity;
		1758	}
		1759	}
		1760
		1761	$match
		1762	}
1156		1763
1157	=back	1764	=back
1158
1159		1765
1160	=head3 cf::map	1766	=head3 cf::map
1161		1767
1162	=over 4	1768	=over 4
1163		1769
…		…
1175	our $MAX_RESET = 3600;	1781	our $MAX_RESET = 3600;
1176	our $DEFAULT_RESET = 3000;	1782	our $DEFAULT_RESET = 3000;
1177		1783
1178	sub generate_random_map {	1784	sub generate_random_map {
1179	my ($self, $rmp) = @_;	1785	my ($self, $rmp) = @_;
		1786
		1787	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1788
1180	# mit "rum" bekleckern, nicht	1789	# mit "rum" bekleckern, nicht
1181	$self->_create_random_map (	1790	$self->_create_random_map (
1182	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1791	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1183	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1792	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1184	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1793	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1218	my ($self, $merge) = @_;	1827	my ($self, $merge) = @_;
1219		1828
1220	# we have to keep some variables in memory intact	1829	# we have to keep some variables in memory intact
1221	local $self->{path};	1830	local $self->{path};
1222	local $self->{load_path};	1831	local $self->{load_path};
1223	local $self->{deny_save};
1224	local $self->{deny_reset};
1225		1832
1226	$self->SUPER::thawer_merge ($merge);	1833	$self->SUPER::thawer_merge ($merge);
1227	}	1834	}
1228		1835
1229	sub normalise {	1836	sub normalise {
…		…
1276	$self->init; # pass $1 etc.	1883	$self->init; # pass $1 etc.
1277	return $self;	1884	return $self;
1278	}	1885	}
1279	}	1886	}
1280		1887
1281	Carp::carp "unable to resolve path '$path' (base '$base').";	1888	Carp::cluck "unable to resolve path '$path' (base '$base').";
1282	()	1889	()
1283	}	1890	}
1284		1891
1285	sub init {	1892	sub init {
1286	my ($self) = @_;	1893	my ($self) = @_;
…		…
1301		1908
1302	# the original (read-only) location	1909	# the original (read-only) location
1303	sub load_path {	1910	sub load_path {
1304	my ($self) = @_;	1911	my ($self) = @_;
1305		1912
1306	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1913	"$MAPDIR/$self->{path}.map"
1307	}	1914	}
1308		1915
1309	# the temporary/swap location	1916	# the temporary/swap location
1310	sub save_path {	1917	sub save_path {
1311	my ($self) = @_;	1918	my ($self) = @_;
1312		1919
1313	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1920	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1314	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1921	"$TMPDIR/$path.map"
1315	}	1922	}
1316		1923
1317	# the unique path, undef == no special unique path	1924	# the unique path, undef == no special unique path
1318	sub uniq_path {	1925	sub uniq_path {
1319	my ($self) = @_;	1926	my ($self) = @_;
1320		1927
1321	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1928	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1322	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1929	"$UNIQUEDIR/$path"
1323	}	1930	}
1324		1931
1325	# and all this just because we cannot iterate over	1932	# and all this just because we cannot iterate over
1326	# all maps in C++...	1933	# all maps in C++...
1327	sub change_all_map_light {	1934	sub change_all_map_light {
…		…
1329		1936
1330	$_->change_map_light ($change)	1937	$_->change_map_light ($change)
1331	for grep $_->outdoor, values %cf::MAP;	1938	for grep $_->outdoor, values %cf::MAP;
1332	}	1939	}
1333		1940
		1941	sub decay_objects {
		1942	my ($self) = @_;
		1943
		1944	return if $self->{deny_reset};
		1945
		1946	$self->do_decay_objects;
		1947	}
		1948
1334	sub unlink_save {	1949	sub unlink_save {
1335	my ($self) = @_;	1950	my ($self) = @_;
1336		1951
1337	utf8::encode (my $save = $self->save_path);	1952	utf8::encode (my $save = $self->save_path);
1338	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1953	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1341		1956
1342	sub load_header_from($) {	1957	sub load_header_from($) {
1343	my ($self, $path) = @_;	1958	my ($self, $path) = @_;
1344		1959
1345	utf8::encode $path;	1960	utf8::encode $path;
1346	#aio_open $path, O_RDONLY, 0	1961	my $f = new_from_file cf::object::thawer $path
1347	# or return;
1348
1349	$self->_load_header ($path)
1350	or return;	1962	or return;
		1963
		1964	$self->_load_header ($f)
		1965	or return;
		1966
		1967	local $MAP_LOADING{$self->{path}} = $self;
		1968	$f->resolve_delayed_derefs;
1351		1969
1352	$self->{load_path} = $path;	1970	$self->{load_path} = $path;
1353		1971
1354	1	1972	1
1355	}	1973	}
…		…
1394	$self->load_header_orig	2012	$self->load_header_orig
1395	or return;	2013	or return;
1396	$self->prepare_orig;	2014	$self->prepare_orig;
1397	}	2015	}
1398		2016
		2017	$self->{deny_reset} = 1
		2018	if $self->no_reset;
		2019
		2020	$self->default_region (cf::region::find_by_path $self->{path})
		2021	unless $self->default_region;
		2022
1399	1	2023	1
1400	}	2024	}
1401		2025
1402	sub find;	2026	sub find;
1403	sub find {	2027	sub find {
1404	my ($path, $origin) = @_;	2028	my ($path, $origin) = @_;
1405		2029
1406	$path = normalise $path, $origin && $origin->path;	2030	$path = normalise $path, $origin && $origin->path;
1407		2031
		2032	cf::lock_wait "map_data:$path";#d#remove
1408	cf::lock_wait "map_find:$path";	2033	cf::lock_wait "map_find:$path";
1409		2034
1410	$cf::MAP{$path} || do {	2035	$cf::MAP{$path} || do {
1411	my $guard = cf::lock_acquire "map_find:$path";	2036	my $guard1 = cf::lock_acquire "map_find:$path";
		2037	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2038
1412	my $map = new_from_path cf::map $path	2039	my $map = new_from_path cf::map $path
1413	or return;	2040	or return;
1414		2041
1415	$map->{last_save} = $cf::RUNTIME;	2042	$map->{last_save} = $cf::RUNTIME;
1416		2043
1417	$map->load_header	2044	$map->load_header
1418	or return;	2045	or return;
1419		2046
1420	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2047	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1421	# doing this can freeze the server in a sync job, obviously	2048	# doing this can freeze the server in a sync job, obviously
1422	#$cf::WAIT_FOR_TICK->wait;	2049	#$cf::WAIT_FOR_TICK->wait;
		2050	undef $guard1;
		2051	undef $guard2;
1423	$map->reset;	2052	$map->reset;
1424	undef $guard;
1425	return find $path;	2053	return find $path;
1426	}	2054	}
1427		2055
1428	$cf::MAP{$path} = $map	2056	$cf::MAP{$path} = $map
1429	}	2057	}
…		…
1436	my ($self) = @_;	2064	my ($self) = @_;
1437		2065
1438	local $self->{deny_reset} = 1; # loading can take a long time	2066	local $self->{deny_reset} = 1; # loading can take a long time
1439		2067
1440	my $path = $self->{path};	2068	my $path = $self->{path};
		2069
		2070	{
1441	my $guard = cf::lock_acquire "map_load:$path";	2071	my $guard = cf::lock_acquire "map_data:$path";
1442		2072
		2073	return unless $self->valid;
1443	return if $self->in_memory != cf::MAP_SWAPPED;	2074	return unless $self->in_memory == cf::MAP_SWAPPED;
1444		2075
1445	$self->in_memory (cf::MAP_LOADING);	2076	$self->in_memory (cf::MAP_LOADING);
1446		2077
1447	$self->alloc;	2078	$self->alloc;
1448		2079
1449	$self->pre_load;	2080	$self->pre_load;
		2081	cf::cede_to_tick;
1450		2082
1451	$self->_load_objects ($self->{load_path}, 1)	2083	my $f = new_from_file cf::object::thawer $self->{load_path};
		2084	$f->skip_block;
		2085	$self->_load_objects ($f)
1452	or return;	2086	or return;
1453		2087
1454	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2088	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1455	if delete $self->{load_original};	2089	if delete $self->{load_original};
1456		2090
1457	if (my $uniq = $self->uniq_path) {	2091	if (my $uniq = $self->uniq_path) {
1458	utf8::encode $uniq;	2092	utf8::encode $uniq;
1459	if (aio_open $uniq, O_RDONLY, 0) {	2093	unless (aio_stat $uniq) {
		2094	if (my $f = new_from_file cf::object::thawer $uniq) {
1460	$self->clear_unique_items;	2095	$self->clear_unique_items;
1461	$self->_load_objects ($uniq, 0);	2096	$self->_load_objects ($f);
		2097	$f->resolve_delayed_derefs;
		2098	}
1462	}	2099	}
1463	}	2100	}
1464		2101
1465	Coro::cede;	2102	$f->resolve_delayed_derefs;
1466		2103
		2104	cf::cede_to_tick;
1467	# now do the right thing for maps	2105	# now do the right thing for maps
1468	$self->link_multipart_objects;	2106	$self->link_multipart_objects;
1469
1470	unless ($self->{deny_activate}) {
1471	$self->decay_objects;
1472	$self->fix_auto_apply;
1473	$self->update_buttons;
1474	Coro::cede;
1475	$self->set_darkness_map;
1476	$self->difficulty ($self->estimate_difficulty)	2107	$self->difficulty ($self->estimate_difficulty)
1477	unless $self->difficulty;	2108	unless $self->difficulty;
1478	Coro::cede;	2109	cf::cede_to_tick;
		2110
		2111	unless ($self->{deny_activate}) {
		2112	$self->decay_objects;
		2113	$self->fix_auto_apply;
		2114	$self->update_buttons;
		2115	cf::cede_to_tick;
		2116	$self->set_darkness_map;
		2117	cf::cede_to_tick;
1479	$self->activate;	2118	$self->activate;
		2119	}
		2120
		2121	$self->{last_save} = $cf::RUNTIME;
		2122	$self->last_access ($cf::RUNTIME);
		2123
		2124	$self->in_memory (cf::MAP_ACTIVE);
1480	}	2125	}
1481		2126
1482	$self->post_load;	2127	$self->post_load;
1483
1484	$self->in_memory (cf::MAP_IN_MEMORY);
1485	}	2128	}
1486		2129
1487	sub customise_for {	2130	sub customise_for {
1488	my ($self, $ob) = @_;	2131	my ($self, $ob) = @_;
1489		2132
1490	return find "~" . $ob->name . "/" . $self->{path}	2133	return find "~" . $ob->name . "/" . $self->{path}
1491	if $self->per_player;	2134	if $self->per_player;
1492		2135
		2136	# return find "?party/" . $ob->name . "/" . $self->{path}
		2137	# if $self->per_party;
		2138
1493	$self	2139	$self
1494	}	2140	}
1495		2141
1496	# find and load all maps in the 3x3 area around a map	2142	# find and load all maps in the 3x3 area around a map
1497	sub load_diag {	2143	sub load_neighbours {
1498	my ($map) = @_;	2144	my ($map) = @_;
1499		2145
1500	my @diag; # diagonal neighbours	2146	my @neigh; # diagonal neighbours
1501		2147
1502	for (0 .. 3) {	2148	for (0 .. 3) {
1503	my $neigh = $map->tile_path ($_)	2149	my $neigh = $map->tile_path ($_)
1504	or next;	2150	or next;
1505	$neigh = find $neigh, $map	2151	$neigh = find $neigh, $map
1506	or next;	2152	or next;
1507	$neigh->load;	2153	$neigh->load;
1508		2154
		2155	push @neigh,
1509	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2156	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1510	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2157	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1511	}	2158	}
1512		2159
1513	for (@diag) {	2160	for (grep defined $_->[0], @neigh) {
		2161	my ($path, $origin) = @$_;
1514	my $neigh = find @$_	2162	my $neigh = find $path, $origin
1515	or next;	2163	or next;
1516	$neigh->load;	2164	$neigh->load;
1517	}	2165	}
1518	}	2166	}
1519		2167
…		…
1524	}	2172	}
1525		2173
1526	sub do_load_sync {	2174	sub do_load_sync {
1527	my ($map) = @_;	2175	my ($map) = @_;
1528		2176
		2177	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2178	if $Coro::current == $Coro::main;
		2179
1529	cf::sync_job { $map->load };	2180	cf::sync_job { $map->load };
1530	}	2181	}
1531		2182
1532	our %MAP_PREFETCH;	2183	our %MAP_PREFETCH;
1533	our $MAP_PREFETCHER = undef;	2184	our $MAP_PREFETCHER = undef;
1534		2185
1535	sub find_async {	2186	sub find_async {
1536	my ($path, $origin) = @_;	2187	my ($path, $origin, $load) = @_;
1537		2188
1538	$path = normalise $path, $origin && $origin->{path};	2189	$path = normalise $path, $origin && $origin->{path};
1539		2190
1540	if (my $map = $cf::MAP{$path}) {	2191	if (my $map = $cf::MAP{$path}) {
1541	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2192	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1542	}	2193	}
1543		2194
1544	undef $MAP_PREFETCH{$path};	2195	$MAP_PREFETCH{$path} |= $load;
		2196
1545	$MAP_PREFETCHER ||= cf::async {	2197	$MAP_PREFETCHER ||= cf::async {
		2198	$Coro::current->{desc} = "map prefetcher";
		2199
1546	while (%MAP_PREFETCH) {	2200	while (%MAP_PREFETCH) {
1547	for my $path (keys %MAP_PREFETCH) {	2201	while (my ($k, $v) = each %MAP_PREFETCH) {
1548	my $map = find $path	2202	if (my $map = find $k) {
1549	or next;
1550	$map->load;	2203	$map->load if $v;
		2204	}
1551		2205
1552	delete $MAP_PREFETCH{$path};	2206	delete $MAP_PREFETCH{$k};
1553	}	2207	}
1554	}	2208	}
1555	undef $MAP_PREFETCHER;	2209	undef $MAP_PREFETCHER;
1556	};	2210	};
1557	$MAP_PREFETCHER->prio (6);	2211	$MAP_PREFETCHER->prio (6);
…		…
1560	}	2214	}
1561		2215
1562	sub save {	2216	sub save {
1563	my ($self) = @_;	2217	my ($self) = @_;
1564		2218
1565	my $lock = cf::lock_acquire "map_data:" . $self->path;	2219	my $lock = cf::lock_acquire "map_data:$self->{path}";
1566		2220
1567	$self->{last_save} = $cf::RUNTIME;	2221	$self->{last_save} = $cf::RUNTIME;
1568		2222
1569	return unless $self->dirty;	2223	return unless $self->dirty;
1570		2224
…		…
1576	return if $self->{deny_save};	2230	return if $self->{deny_save};
1577		2231
1578	local $self->{last_access} = $self->last_access;#d#	2232	local $self->{last_access} = $self->last_access;#d#
1579		2233
1580	cf::async {	2234	cf::async {
		2235	$Coro::current->{desc} = "map player save";
1581	$_->contr->save for $self->players;	2236	$_->contr->save for $self->players;
1582	};	2237	};
		2238
		2239	cf::get_slot 0.02;
1583		2240
1584	if ($uniq) {	2241	if ($uniq) {
1585	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2242	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1586	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2243	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1587	} else {	2244	} else {
…		…
1593	my ($self) = @_;	2250	my ($self) = @_;
1594		2251
1595	# save first because save cedes	2252	# save first because save cedes
1596	$self->save;	2253	$self->save;
1597		2254
1598	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2256
1600	return if $self->players;	2257	return if $self->players;
1601	return if $self->in_memory != cf::MAP_IN_MEMORY;	2258	return if $self->in_memory != cf::MAP_ACTIVE;
1602	return if $self->{deny_save};	2259	return if $self->{deny_save};
1603		2260
		2261	$self->in_memory (cf::MAP_SWAPPED);
		2262
		2263	$self->deactivate;
		2264	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2265	$self->clear;
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	}	2266	}
1607		2267
1608	sub reset_at {	2268	sub reset_at {
1609	my ($self) = @_;	2269	my ($self) = @_;
1610		2270
1611	# TODO: safety, remove and allow resettable per-player maps	2271	# TODO: safety, remove and allow resettable per-player maps
1612	return 1e99 if $self->isa ("ext::map_per_player");#d#
1613	return 1e99 if $self->{deny_reset};	2272	return 1e99 if $self->{deny_reset};
1614		2273
1615	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2274	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1616	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2275	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1617		2276
…		…
1628	my ($self) = @_;	2287	my ($self) = @_;
1629		2288
1630	my $lock = cf::lock_acquire "map_data:$self->{path}";	2289	my $lock = cf::lock_acquire "map_data:$self->{path}";
1631		2290
1632	return if $self->players;	2291	return if $self->players;
1633	return if $self->isa ("ext::map_per_player");#d#
1634		2292
1635	warn "resetting map ", $self->path;#d#	2293	warn "resetting map ", $self->path;
1636		2294
1637	$self->in_memory (cf::MAP_SWAPPED);	2295	$self->in_memory (cf::MAP_SWAPPED);
1638		2296
1639	# need to save uniques path	2297	# need to save uniques path
1640	unless ($self->{deny_save}) {	2298	unless ($self->{deny_save}) {
…		…
1644	if $uniq;	2302	if $uniq;
1645	}	2303	}
1646		2304
1647	delete $cf::MAP{$self->path};	2305	delete $cf::MAP{$self->path};
1648		2306
		2307	$self->deactivate;
		2308	$_->clear_links_to ($self) for values %cf::MAP;
1649	$self->clear;	2309	$self->clear;
1650
1651	$_->clear_links_to ($self) for values %cf::MAP;
1652		2310
1653	$self->unlink_save;	2311	$self->unlink_save;
1654	$self->destroy;	2312	$self->destroy;
1655	}	2313	}
1656		2314
1657	my $nuke_counter = "aaaa";	2315	my $nuke_counter = "aaaa";
1658		2316
1659	sub nuke {	2317	sub nuke {
1660	my ($self) = @_;	2318	my ($self) = @_;
1661		2319
		2320	{
		2321	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2322
1662	delete $cf::MAP{$self->path};	2323	delete $cf::MAP{$self->path};
1663		2324
1664	$self->unlink_save;	2325	$self->unlink_save;
1665		2326
1666	bless $self, "cf::map";	2327	bless $self, "cf::map";
1667	delete $self->{deny_reset};	2328	delete $self->{deny_reset};
1668	$self->{deny_save} = 1;	2329	$self->{deny_save} = 1;
1669	$self->reset_timeout (1);	2330	$self->reset_timeout (1);
1670	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2331	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1671		2332
1672	$cf::MAP{$self->path} = $self;	2333	$cf::MAP{$self->path} = $self;
		2334	}
1673		2335
1674	$self->reset; # polite request, might not happen	2336	$self->reset; # polite request, might not happen
		2337	}
		2338
		2339	=item $maps = cf::map::tmp_maps
		2340
		2341	Returns an arrayref with all map paths of currently instantiated and saved
		2342	maps. May block.
		2343
		2344	=cut
		2345
		2346	sub tmp_maps() {
		2347	[
		2348	map {
		2349	utf8::decode $_;
		2350	/\.map$/
		2351	? normalise $_
		2352	: ()
		2353	} @{ aio_readdir $TMPDIR or [] }
		2354	]
		2355	}
		2356
		2357	=item $maps = cf::map::random_maps
		2358
		2359	Returns an arrayref with all map paths of currently instantiated and saved
		2360	random maps. May block.
		2361
		2362	=cut
		2363
		2364	sub random_maps() {
		2365	[
		2366	map {
		2367	utf8::decode $_;
		2368	/\.map$/
		2369	? normalise "?random/$_"
		2370	: ()
		2371	} @{ aio_readdir $RANDOMDIR or [] }
		2372	]
1675	}	2373	}
1676		2374
1677	=item cf::map::unique_maps	2375	=item cf::map::unique_maps
1678		2376
1679	Returns an arrayref of paths of all shared maps that have	2377	Returns an arrayref of paths of all shared maps that have
1680	instantiated unique items. May block.	2378	instantiated unique items. May block.
1681		2379
1682	=cut	2380	=cut
1683		2381
1684	sub unique_maps() {	2382	sub unique_maps() {
1685	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2383	[
1686	or return;	2384	map {
1687
1688	my @paths;
1689
1690	for (@$files) {
1691	utf8::decode $_;	2385	utf8::decode $_;
1692	next if /\.pst$/;	2386	s/\.map$//; # TODO future compatibility hack
1693	next unless /^$PATH_SEP/o;	2387	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1694		2388	? ()
1695	push @paths, cf::map::normalise $_;	2389	: normalise $_
		2390	} @{ aio_readdir $UNIQUEDIR or [] }
1696	}	2391	]
1697
1698	\@paths
1699	}	2392	}
1700
1701	package cf;
1702		2393
1703	=back	2394	=back
1704		2395
1705	=head3 cf::object	2396	=head3 cf::object
1706		2397
…		…
1710		2401
1711	=over 4	2402	=over 4
1712		2403
1713	=item $ob->inv_recursive	2404	=item $ob->inv_recursive
1714		2405
1715	Returns the inventory of the object _and_ their inventories, recursively.	2406	Returns the inventory of the object I<and> their inventories, recursively,
		2407	but I<not> the object itself.
1716		2408
1717	=cut	2409	=cut
1718		2410
1719	sub inv_recursive_;	2411	sub inv_recursive_;
1720	sub inv_recursive_ {	2412	sub inv_recursive_ {
1721	map { $_, inv_recursive_ $_->inv } @_	2413	map { $_, inv_recursive_ $_->inv } @_
1722	}	2414	}
1723		2415
1724	sub inv_recursive {	2416	sub inv_recursive {
1725	inv_recursive_ inv $_[0]	2417	inv_recursive_ inv $_[0]
		2418	}
		2419
		2420	=item $ref = $ob->ref
		2421
		2422	Creates and returns a persistent reference to an object that can be stored as a string.
		2423
		2424	=item $ob = cf::object::deref ($refstring)
		2425
		2426	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2427	even if the object actually exists. May block.
		2428
		2429	=cut
		2430
		2431	sub deref {
		2432	my ($ref) = @_;
		2433
		2434	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2435	my ($uuid, $name) = ($1, $2);
		2436	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2437	or return;
		2438	$pl->ob->uuid eq $uuid
		2439	or return;
		2440
		2441	$pl->ob
		2442	} else {
		2443	warn "$ref: cannot resolve object reference\n";
		2444	undef
		2445	}
1726	}	2446	}
1727		2447
1728	package cf;	2448	package cf;
1729		2449
1730	=back	2450	=back
…		…
1749		2469
1750	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2470	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1751		2471
1752	if ($self->{record_replies}) {	2472	if ($self->{record_replies}) {
1753	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2473	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2474
1754	} else {	2475	} else {
		2476	my $pl = $self->contr;
		2477
		2478	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2479	my $dialog = $pl->{npc_dialog};
		2480	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2481
		2482	} else {
1755	$msg = $npc->name . " says: $msg" if $npc;	2483	$msg = $npc->name . " says: $msg" if $npc;
1756	$self->message ($msg, $flags);	2484	$self->message ($msg, $flags);
		2485	}
1757	}	2486	}
		2487	}
		2488
		2489	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2490
		2491	=cut
		2492
		2493	sub cf::object::send_msg {
		2494	my $pl = shift->contr
		2495	or return;
		2496	$pl->send_msg (@_);
1758	}	2497	}
1759		2498
1760	=item $player_object->may ("access")	2499	=item $player_object->may ("access")
1761		2500
1762	Returns wether the given player is authorized to access resource "access"	2501	Returns wether the given player is authorized to access resource "access"
…		…
1809	$self->deactivate_recursive;	2548	$self->deactivate_recursive;
1810		2549
1811	return if UNIVERSAL::isa $self->map, "ext::map_link";	2550	return if UNIVERSAL::isa $self->map, "ext::map_link";
1812		2551
1813	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2552	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1814	if $self->map;	2553	if $self->map && $self->map->{path} ne "{link}";
1815		2554
1816	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2555	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1817	}	2556	}
1818		2557
1819	sub cf::object::player::leave_link {	2558	sub cf::object::player::leave_link {
1820	my ($self, $map, $x, $y) = @_;	2559	my ($self, $map, $x, $y) = @_;
		2560
		2561	return unless $self->contr->active;
1821		2562
1822	my $link_pos = delete $self->{_link_pos};	2563	my $link_pos = delete $self->{_link_pos};
1823		2564
1824	unless ($map) {	2565	unless ($map) {
1825	# restore original map position	2566	# restore original map position
…		…
1839	# use -1 or undef as default coordinates, not 0, 0	2580	# use -1 or undef as default coordinates, not 0, 0
1840	($x, $y) = ($map->enter_x, $map->enter_y)	2581	($x, $y) = ($map->enter_x, $map->enter_y)
1841	if $x <=0 && $y <= 0;	2582	if $x <=0 && $y <= 0;
1842		2583
1843	$map->load;	2584	$map->load;
1844	$map->load_diag;	2585	$map->load_neighbours;
1845		2586
1846	return unless $self->contr->active;	2587	return unless $self->contr->active;
1847	$self->activate_recursive;	2588	$self->activate_recursive;
1848		2589
1849	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2590	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1850	$self->enter_map ($map, $x, $y);	2591	$self->enter_map ($map, $x, $y);
1851	}	2592	}
1852		2593
1853	cf::player->attach (	2594	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1854	on_logout => sub {
1855	my ($pl) = @_;
1856		2595
1857	# abort map switching before logout	2596	Moves the player to the given map-path and coordinates by first freezing
1858	if ($pl->ob->{_link_pos}) {	2597	her, loading and preparing them map, calling the provided $check callback
1859	cf::sync_job {	2598	that has to return the map if sucecssful, and then unfreezes the player on
1860	$pl->ob->leave_link	2599	the new (success) or old (failed) map position. In either case, $done will
1861	};	2600	be called at the end of this process.
1862	}
1863	},
1864	on_login => sub {
1865	my ($pl) = @_;
1866		2601
1867	# try to abort aborted map switching on player login :)
1868	# should happen only on crashes
1869	if ($pl->ob->{_link_pos}) {
1870	$pl->ob->enter_link;
1871	(async {
1872	$pl->ob->reply (undef,
1873	"There was an internal problem at your last logout, "
1874	. "the server will try to bring you to your intended destination in a second.",
1875	cf::NDI_RED);
1876	# we need this sleep as the login has a concurrent enter_exit running
1877	# and this sleep increases chances of the player not ending up in scorn
1878	Coro::Timer::sleep 1;
1879	$pl->ob->leave_link;
1880	})->prio (2);
1881	}
1882	},
1883	);
1884
1885	=item $player_object->goto ($path, $x, $y)
1886
1887	=cut	2602	=cut
		2603
		2604	our $GOTOGEN;
1888		2605
1889	sub cf::object::player::goto {	2606	sub cf::object::player::goto {
1890	my ($self, $path, $x, $y) = @_;	2607	my ($self, $path, $x, $y, $check, $done) = @_;
		2608
		2609	# do generation counting so two concurrent goto's will be executed in-order
		2610	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1891		2611
1892	$self->enter_link;	2612	$self->enter_link;
1893		2613
1894	(async {	2614	(async {
		2615	$Coro::current->{desc} = "player::goto $path $x $y";
		2616
		2617	# *tag paths override both path and x|y
		2618	if ($path =~ /^\*(.*)$/) {
		2619	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2620	my $ob = $obs[rand @obs];
		2621
		2622	# see if we actually can go there
		2623	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2624	$ob = $obs[rand @obs];
		2625	} else {
		2626	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2627	}
		2628	# else put us there anyways for now #d#
		2629
		2630	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2631	} else {
		2632	($path, $x, $y) = (undef, undef, undef);
		2633	}
		2634	}
		2635
1895	my $map = eval {	2636	my $map = eval {
1896	my $map = cf::map::find $path;	2637	my $map = defined $path ? cf::map::find $path : undef;
		2638
		2639	if ($map) {
1897	$map = $map->customise_for ($self) if $map;	2640	$map = $map->customise_for ($self);
		2641	$map = $check->($map) if $check && $map;
		2642	} else {
		2643	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2644	}
		2645
1898	$map	2646	$map
		2647	};
		2648
		2649	if ($@) {
		2650	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2651	LOG llevError | logBacktrace, Carp::longmess $@;
1899	} or	2652	}
1900	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1901		2653
		2654	if ($gen == $self->{_goto_generation}) {
		2655	delete $self->{_goto_generation};
1902	$self->leave_link ($map, $x, $y);	2656	$self->leave_link ($map, $x, $y);
		2657	}
		2658
		2659	$done->() if $done;
1903	})->prio (1);	2660	})->prio (1);
1904	}	2661	}
1905		2662
1906	=item $player_object->enter_exit ($exit_object)	2663	=item $player_object->enter_exit ($exit_object)
1907		2664
…		…
1944	$rmp->{origin_y} = $exit->y;	2701	$rmp->{origin_y} = $exit->y;
1945	}	2702	}
1946		2703
1947	$rmp->{random_seed} ||= $exit->random_seed;	2704	$rmp->{random_seed} ||= $exit->random_seed;
1948		2705
1949	my $data = cf::to_json $rmp;	2706	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1950	my $md5 = Digest::MD5::md5_hex $data;	2707	my $md5 = Digest::MD5::md5_hex $data;
1951	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2708	my $meta = "$RANDOMDIR/$md5.meta";
1952		2709
1953	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2710	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1954	aio_write $fh, 0, (length $data), $data, 0;	2711	aio_write $fh, 0, (length $data), $data, 0;
1955	undef $fh;	2712	undef $fh;
1956	aio_rename "$meta~", $meta;	2713	aio_rename "$meta~", $meta;
…		…
1965		2722
1966	return unless $self->type == cf::PLAYER;	2723	return unless $self->type == cf::PLAYER;
1967		2724
1968	if ($exit->slaying eq "/!") {	2725	if ($exit->slaying eq "/!") {
1969	#TODO: this should de-fi-ni-te-ly not be a sync-job	2726	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2727	# the problem is that $exit might not survive long enough
		2728	# so it needs to be done right now, right here
1970	cf::sync_job { prepare_random_map $exit };	2729	cf::sync_job { prepare_random_map $exit };
1971	}	2730	}
1972		2731
1973	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2732	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1974	my $hp = $exit->stats->hp;	2733	my $hp = $exit->stats->hp;
1975	my $sp = $exit->stats->sp;	2734	my $sp = $exit->stats->sp;
1976		2735
1977	$self->enter_link;	2736	$self->enter_link;
1978		2737
		2738	# if exit is damned, update players death & WoR home-position
		2739	$self->contr->savebed ($slaying, $hp, $sp)
		2740	if $exit->flag (FLAG_DAMNED);
		2741
1979	(async {	2742	(async {
		2743	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2744
1980	$self->deactivate_recursive; # just to be sure	2745	$self->deactivate_recursive; # just to be sure
1981	unless (eval {	2746	unless (eval {
1982	$self->goto ($slaying, $hp, $sp);	2747	$self->goto ($slaying, $hp, $sp);
1983		2748
1984	1;	2749	1;
1985	}) {	2750	}) {
1986	$self->message ("Something went wrong deep within the crossfire server. "	2751	$self->message ("Something went wrong deep within the crossfire server. "
1987	. "I'll try to bring you back to the map you were before. "	2752	. "I'll try to bring you back to the map you were before. "
1988	. "Please report this to the dungeon master!",	2753	. "Please report this to the dungeon master!",
1989	cf::NDI_UNIQUE | cf::NDI_RED);	2754	cf::NDI_UNIQUE | cf::NDI_RED);
1990		2755
1991	warn "ERROR in enter_exit: $@";	2756	warn "ERROR in enter_exit: $@";
1992	$self->leave_link;	2757	$self->leave_link;
1993	}	2758	}
1994	})->prio (1);	2759	})->prio (1);
…		…
2010		2775
2011	utf8::encode $text;	2776	utf8::encode $text;
2012	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2777	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2013	}	2778	}
2014		2779
		2780	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2781
		2782	Send a drawinfo or msg packet to the client, formatting the msg for the
		2783	client if neccessary. C<$type> should be a string identifying the type of
		2784	the message, with C<log> being the default. If C<$color> is negative, suppress
		2785	the message unless the client supports the msg packet.
		2786
		2787	=cut
		2788
		2789	# non-persistent channels (usually the info channel)
		2790	our %CHANNEL = (
		2791	"c/identify" => {
		2792	id => "infobox",
		2793	title => "Identify",
		2794	reply => undef,
		2795	tooltip => "Items recently identified",
		2796	},
		2797	"c/examine" => {
		2798	id => "infobox",
		2799	title => "Examine",
		2800	reply => undef,
		2801	tooltip => "Signs and other items you examined",
		2802	},
		2803	"c/book" => {
		2804	id => "infobox",
		2805	title => "Book",
		2806	reply => undef,
		2807	tooltip => "The contents of a note or book",
		2808	},
		2809	"c/lookat" => {
		2810	id => "infobox",
		2811	title => "Look",
		2812	reply => undef,
		2813	tooltip => "What you saw there",
		2814	},
		2815	"c/who" => {
		2816	id => "infobox",
		2817	title => "Players",
		2818	reply => undef,
		2819	tooltip => "Shows players who are currently online",
		2820	},
		2821	"c/body" => {
		2822	id => "infobox",
		2823	title => "Body Parts",
		2824	reply => undef,
		2825	tooltip => "Shows which body parts you posess and are available",
		2826	},
		2827	"c/uptime" => {
		2828	id => "infobox",
		2829	title => "Uptime",
		2830	reply => undef,
		2831	tooltip => "How long the server has been running since last restart",
		2832	},
		2833	"c/mapinfo" => {
		2834	id => "infobox",
		2835	title => "Map Info",
		2836	reply => undef,
		2837	tooltip => "Information related to the maps",
		2838	},
		2839	"c/party" => {
		2840	id => "party",
		2841	title => "Party",
		2842	reply => "gsay ",
		2843	tooltip => "Messages and chat related to your party",
		2844	},
		2845	);
		2846
		2847	sub cf::client::send_msg {
		2848	my ($self, $channel, $msg, $color, @extra) = @_;
		2849
		2850	$msg = $self->pl->expand_cfpod ($msg);
		2851
		2852	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2853
		2854	# check predefined channels, for the benefit of C
		2855	if ($CHANNEL{$channel}) {
		2856	$channel = $CHANNEL{$channel};
		2857
		2858	$self->ext_msg (channel_info => $channel)
		2859	if $self->can_msg;
		2860
		2861	$channel = $channel->{id};
		2862
		2863	} elsif (ref $channel) {
		2864	# send meta info to client, if not yet sent
		2865	unless (exists $self->{channel}{$channel->{id}}) {
		2866	$self->{channel}{$channel->{id}} = $channel;
		2867	$self->ext_msg (channel_info => $channel)
		2868	if $self->can_msg;
		2869	}
		2870
		2871	$channel = $channel->{id};
		2872	}
		2873
		2874	return unless @extra || length $msg;
		2875
		2876	if ($self->can_msg) {
		2877	# default colour, mask it out
		2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2879	if $color & cf::NDI_DEF;
		2880
		2881	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2882	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2883	} else {
		2884	if ($color >= 0) {
		2885	# replace some tags by gcfclient-compatible ones
		2886	for ($msg) {
		2887	1 while
		2888	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2889	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2890	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2891	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2892	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2893	}
		2894
		2895	$color &= cf::NDI_COLOR_MASK;
		2896
		2897	utf8::encode $msg;
		2898
		2899	if (0 && $msg =~ /\[/) {
		2900	# COMMAND/INFO
		2901	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2902	} else {
		2903	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2904	$self->send_packet ("drawinfo $color $msg")
		2905	}
		2906	}
		2907	}
		2908	}
		2909
2015	=item $client->ext_event ($type, %msg)	2910	=item $client->ext_msg ($type, @msg)
2016		2911
2017	Sends an exti event to the client.	2912	Sends an ext event to the client.
2018		2913
2019	=cut	2914	=cut
2020		2915
2021	sub cf::client::ext_event($$%) {	2916	sub cf::client::ext_msg($$@) {
2022	my ($self, $type, %msg) = @_;	2917	my ($self, $type, @msg) = @_;
2023		2918
		2919	if ($self->extcmd == 2) {
		2920	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2921	} elsif ($self->extcmd == 1) { # TODO: remove
2024	$msg{msgtype} = "event_$type";	2922	push @msg, msgtype => "event_$type";
2025	$self->send_packet ("ext " . cf::to_json \%msg);	2923	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2924	}
		2925	}
		2926
		2927	=item $client->ext_reply ($msgid, @msg)
		2928
		2929	Sends an ext reply to the client.
		2930
		2931	=cut
		2932
		2933	sub cf::client::ext_reply($$@) {
		2934	my ($self, $id, @msg) = @_;
		2935
		2936	if ($self->extcmd == 2) {
		2937	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2938	} elsif ($self->extcmd == 1) {
		2939	#TODO: version 1, remove
		2940	unshift @msg, msgtype => "reply", msgid => $id;
		2941	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2942	}
2026	}	2943	}
2027		2944
2028	=item $success = $client->query ($flags, "text", \&cb)	2945	=item $success = $client->query ($flags, "text", \&cb)
2029		2946
2030	Queues a query to the client, calling the given callback with	2947	Queues a query to the client, calling the given callback with
2031	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2948	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2032	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2949	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2033		2950
2034	Queries can fail, so check the return code. Or don't, as queries will become	2951	Queries can fail, so check the return code. Or don't, as queries will
2035	reliable at some point in the future.	2952	become reliable at some point in the future.
2036		2953
2037	=cut	2954	=cut
2038		2955
2039	sub cf::client::query {	2956	sub cf::client::query {
2040	my ($self, $flags, $text, $cb) = @_;	2957	my ($self, $flags, $text, $cb) = @_;
…		…
2048	utf8::encode $text;	2965	utf8::encode $text;
2049	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2966	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2050		2967
2051	$self->send_packet ($self->{query_queue}[0][0])	2968	$self->send_packet ($self->{query_queue}[0][0])
2052	if @{ $self->{query_queue} } == 1;	2969	if @{ $self->{query_queue} } == 1;
		2970
		2971	1
2053	}	2972	}
2054		2973
2055	cf::client->attach (	2974	cf::client->attach (
		2975	on_connect => sub {
		2976	my ($ns) = @_;
		2977
		2978	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2979	},
2056	on_reply => sub {	2980	on_reply => sub {
2057	my ($ns, $msg) = @_;	2981	my ($ns, $msg) = @_;
2058		2982
2059	# this weird shuffling is so that direct followup queries	2983	# this weird shuffling is so that direct followup queries
2060	# get handled first	2984	# get handled first
…		…
2072	} else {	2996	} else {
2073	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2074	}	2998	}
2075	}	2999	}
2076	},	3000	},
		3001	on_exticmd => sub {
		3002	my ($ns, $buf) = @_;
		3003
		3004	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3005
		3006	if (ref $msg) {
		3007	my ($type, $reply, @payload) =
		3008	"ARRAY" eq ref $msg
		3009	? @$msg
		3010	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3011
		3012	my @reply;
		3013
		3014	if (my $cb = $EXTICMD{$type}) {
		3015	@reply = $cb->($ns, @payload);
		3016	}
		3017
		3018	$ns->ext_reply ($reply, @reply)
		3019	if $reply;
		3020
		3021	} else {
		3022	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3023	}
		3024
		3025	cf::override;
		3026	},
2077	);	3027	);
2078		3028
2079	=item $client->async (\&cb)	3029	=item $client->async (\&cb)
2080		3030
2081	Create a new coroutine, running the specified callback. The coroutine will	3031	Create a new coroutine, running the specified callback. The coroutine will
…		…
2122	our $safe = new Safe "safe";	3072	our $safe = new Safe "safe";
2123	our $safe_hole = new Safe::Hole;	3073	our $safe_hole = new Safe::Hole;
2124		3074
2125	$SIG{FPE} = 'IGNORE';	3075	$SIG{FPE} = 'IGNORE';
2126		3076
2127	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3077	$safe->permit_only (Opcode::opset qw(
		3078	:base_core :base_mem :base_orig :base_math
		3079	grepstart grepwhile mapstart mapwhile
		3080	sort time
		3081	));
2128		3082
2129	# here we export the classes and methods available to script code	3083	# here we export the classes and methods available to script code
2130		3084
2131	=pod	3085	=pod
2132		3086
2133	The following functions and methods are available within a safe environment:	3087	The following functions and methods are available within a safe environment:
2134		3088
2135	cf::object contr pay_amount pay_player map	3089	cf::object
		3090	contr pay_amount pay_player map x y force_find force_add destroy
		3091	insert remove name archname title slaying race decrease split
		3092
2136	cf::object::player player	3093	cf::object::player
2137	cf::player peaceful	3094	player
2138	cf::map trigger	3095
		3096	cf::player
		3097	peaceful
		3098
		3099	cf::map
		3100	trigger
2139		3101
2140	=cut	3102	=cut
2141		3103
2142	for (	3104	for (
2143	["cf::object" => qw(contr pay_amount pay_player map)],	3105	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3106	insert remove inv name archname title slaying race
		3107	decrease split destroy)],
2144	["cf::object::player" => qw(player)],	3108	["cf::object::player" => qw(player)],
2145	["cf::player" => qw(peaceful)],	3109	["cf::player" => qw(peaceful)],
2146	["cf::map" => qw(trigger)],	3110	["cf::map" => qw(trigger)],
2147	) {	3111	) {
2148	no strict 'refs';	3112	no strict 'refs';
…		…
2219	=back	3183	=back
2220		3184
2221	=cut	3185	=cut
2222		3186
2223	#############################################################################	3187	#############################################################################
2224
2225	=head2 EXTENSION DATABASE SUPPORT
2226
2227	Crossfire maintains a very simple database for extension use. It can
2228	currently store anything that can be serialised using Storable, which
2229	excludes objects.
2230
2231	The parameter C<$family> should best start with the name of the extension
2232	using it, it should be unique.
2233
2234	=over 4
2235
2236	=item $value = cf::db_get $family => $key
2237
2238	Returns a single value from the database.
2239
2240	=item cf::db_put $family => $key => $value
2241
2242	Stores the given C<$value> in the family.
2243
2244	=cut
2245
2246	our $DB;
2247
2248	sub db_init {
2249	unless ($DB) {
2250	$DB = BDB::db_create $DB_ENV;
2251
2252	cf::sync_job {
2253	eval {
2254	$DB->set_flags (BDB::CHKSUM);
2255
2256	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2257	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2258	cf::cleanup "db_open(db): $!" if $!;
2259	};
2260	cf::cleanup "db_open(db): $@" if $@;
2261	};
2262
2263	my $path = cf::localdir . "/database.pst";
2264	if (stat $path) {
2265	cf::sync_job {
2266	my $pst = Storable::retrieve $path;
2267
2268	cf::db_put (board => data => $pst->{board});
2269	cf::db_put (guildrules => data => $pst->{guildrules});
2270	cf::db_put (rent => balance => $pst->{rent}{balance});
2271	BDB::db_env_txn_checkpoint $DB_ENV;
2272
2273	unlink $path;
2274	};
2275	}
2276	}
2277	}
2278
2279	sub db_get($$) {
2280	my $key = "$_[0]/$_[1]";
2281
2282	cf::sync_job {
2283	BDB::db_get $DB, undef, $key, my $data;
2284
2285	$! ? ()
2286	: Compress::LZF::sthaw $data
2287	}
2288	}
2289
2290	sub db_put($$$) {
2291	BDB::dbreq_pri 4;
2292	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2293	}
2294
2295	#############################################################################
2296	# the server's init and main functions	3188	# the server's init and main functions
2297		3189
2298	sub load_facedata {	3190	sub load_facedata($) {
2299	my $path = sprintf "%s/facedata", cf::datadir;	3191	my ($path) = @_;
		3192
		3193	# HACK to clear player env face cache, we need some signal framework
		3194	# for this (global event?)
		3195	%ext::player_env::MUSIC_FACE_CACHE = ();
		3196
		3197	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2300		3198
2301	warn "loading facedata from $path\n";	3199	warn "loading facedata from $path\n";
2302		3200
2303	my $faces;	3201	my $facedata;
2304	0 < aio_load $path, $faces	3202	0 < aio_load $path, $facedata
2305	or die "$path: $!";	3203	or die "$path: $!";
2306		3204
2307	Coro::cede;
2308	$faces = Storable::thaw $faces;	3205	$facedata = Coro::Storable::thaw $facedata;
2309	Coro::cede;
2310		3206
2311	my $meta = delete $faces->{""};
2312	$meta->{version} == 1	3207	$facedata->{version} == 2
2313	or cf::cleanup "$path: version mismatch, cannot proceed.";	3208	or cf::cleanup "$path: version mismatch, cannot proceed.";
2314		3209
		3210	# patch in the exptable
		3211	$facedata->{resource}{"res/exp_table"} = {
		3212	type => FT_RSRC,
		3213	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3214	};
		3215	cf::cede_to_tick;
		3216
		3217	{
		3218	my $faces = $facedata->{faceinfo};
		3219
2315	while (my ($face, $info) = each %$faces) {	3220	while (my ($face, $info) = each %$faces) {
2316	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3221	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2317	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3222
		3223	cf::face::set_visibility $idx, $info->{visibility};
		3224	cf::face::set_magicmap $idx, $info->{magicmap};
2318	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3225	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2319	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3226	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2320	Coro::cede;
2321	}
2322		3227
		3228	cf::cede_to_tick;
		3229	}
		3230
2323	while (my ($face, $info) = each %$faces) {	3231	while (my ($face, $info) = each %$faces) {
2324	next unless $info->{smooth};	3232	next unless $info->{smooth};
		3233
2325	my $idx = cf::face::find $face	3234	my $idx = cf::face::find $face
2326	or next;	3235	or next;
		3236
2327	if (my $smooth = cf::face::find $info->{smooth}) {	3237	if (my $smooth = cf::face::find $info->{smooth}) {
2328	cf::face::set_smooth $idx, $smooth;	3238	cf::face::set_smooth $idx, $smooth;
		3239	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2329	} else {	3240	} else {
2330	warn "smooth face '$info->{smooth}' not found for face '$face'";	3241	warn "smooth face '$info->{smooth}' not found for face '$face'";
2331	}	3242	}
2332	Coro::cede;	3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
2333	}	3248	{
		3249	my $anims = $facedata->{animinfo};
		3250
		3251	while (my ($anim, $info) = each %$anims) {
		3252	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3253	cf::cede_to_tick;
		3254	}
		3255
		3256	cf::anim::invalidate_all; # d'oh
		3257	}
		3258
		3259	{
		3260	# TODO: for gcfclient pleasure, we should give resources
		3261	# that gcfclient doesn't grok a >10000 face index.
		3262	my $res = $facedata->{resource};
		3263
		3264	while (my ($name, $info) = each %$res) {
		3265	if (defined $info->{type}) {
		3266	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3267	my $data;
		3268
		3269	if ($info->{type} & 1) {
		3270	# prepend meta info
		3271
		3272	my $meta = $enc->encode ({
		3273	name => $name,
		3274	%{ $info->{meta} || {} },
		3275	});
		3276
		3277	$data = pack "(w/a*)*", $meta, $info->{data};
		3278	} else {
		3279	$data = $info->{data};
		3280	}
		3281
		3282	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3283	cf::face::set_type $idx, $info->{type};
		3284	} else {
		3285	$RESOURCE{$name} = $info;
		3286	}
		3287
		3288	cf::cede_to_tick;
		3289	}
		3290	}
		3291
		3292	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2334		3293
2335	1	3294	1
2336	}	3295	}
2337		3296
		3297	cf::global->attach (on_resource_update => sub {
		3298	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3299	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3300
		3301	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3302	my $sound = $soundconf->{compat}[$_]
		3303	or next;
		3304
		3305	my $face = cf::face::find "sound/$sound->[1]";
		3306	cf::sound::set $sound->[0] => $face;
		3307	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3308	}
		3309
		3310	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3311	my $face = cf::face::find "sound/$v";
		3312	cf::sound::set $k => $face;
		3313	}
		3314	}
		3315	});
		3316
		3317	register_exticmd fx_want => sub {
		3318	my ($ns, $want) = @_;
		3319
		3320	while (my ($k, $v) = each %$want) {
		3321	$ns->fx_want ($k, $v);
		3322	}
		3323	};
		3324
		3325	sub load_resource_file($) {
		3326	my $guard = lock_acquire "load_resource_file";
		3327
		3328	my $status = load_resource_file_ $_[0];
		3329	get_slot 0.1, 100;
		3330	cf::arch::commit_load;
		3331
		3332	$status
		3333	}
		3334
		3335	sub reload_regions {
		3336	# HACK to clear player env face cache, we need some signal framework
		3337	# for this (global event?)
		3338	%ext::player_env::MUSIC_FACE_CACHE = ();
		3339
		3340	load_resource_file "$MAPDIR/regions"
		3341	or die "unable to load regions file\n";
		3342
		3343	for (cf::region::list) {
		3344	$_->{match} = qr/$_->{match}/
		3345	if exists $_->{match};
		3346	}
		3347	}
		3348
		3349	sub reload_facedata {
		3350	load_facedata "$DATADIR/facedata"
		3351	or die "unable to load facedata\n";
		3352	}
		3353
		3354	sub reload_archetypes {
		3355	load_resource_file "$DATADIR/archetypes"
		3356	or die "unable to load archetypes\n";
		3357	}
		3358
		3359	sub reload_treasures {
		3360	load_resource_file "$DATADIR/treasures"
		3361	or die "unable to load treasurelists\n";
		3362	}
		3363
2338	sub reload_resources {	3364	sub reload_resources {
2339	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3365	warn "reloading resource files...\n";
2340	or die "unable to load regions file\n";#d#	3366
2341	load_facedata	3367	reload_facedata;
2342	or die "unable to load facedata\n";#d#	3368	reload_archetypes;
		3369	reload_regions;
		3370	reload_treasures;
		3371
		3372	warn "finished reloading resource files\n";
2343	}	3373	}
2344		3374
2345	sub init {	3375	sub init {
		3376	my $guard = freeze_mainloop;
		3377
2346	reload_resources;	3378	reload_resources;
2347	}	3379	}
2348		3380
2349	sub cfg_load {	3381	sub reload_config {
2350	open my $fh, "<:utf8", cf::confdir . "/config"	3382	open my $fh, "<:utf8", "$CONFDIR/config"
2351	or return;	3383	or return;
2352		3384
2353	local $/;	3385	local $/;
2354	*CFG = YAML::Syck::Load <$fh>;	3386	*CFG = YAML::Load <$fh>;
2355		3387
2356	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3388	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2357		3389
2358	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3390	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2359	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3391	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2370	sub main {	3402	sub main {
2371	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2372	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2373	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2374	(async {	3406	(async {
2375	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2376	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2377	};	3410	};
2378		3411
2379	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2380	db_init;	3415	db_init;
2381	load_extensions;	3416	load_extensions;
2382		3417
2383	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	evthread_start IO::AIO::poll_fileno;
		3420	}
		3421
2384	Event::loop;	3422	EV::loop;
2385	}	3423	}
2386		3424
2387	#############################################################################	3425	#############################################################################
2388	# initialisation and cleanup	3426	# initialisation and cleanup
2389		3427
2390	# install some emergency cleanup handlers	3428	# install some emergency cleanup handlers
2391	BEGIN {	3429	BEGIN {
		3430	our %SIGWATCHER = ();
2392	for my $signal (qw(INT HUP TERM)) {	3431	for my $signal (qw(INT HUP TERM)) {
2393	Event->signal (	3432	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2394	reentrant => 0,
2395	data => WF_AUTOCANCEL,
2396	signal => $signal,
2397	prio => 0,
2398	cb => sub {
2399	cf::cleanup "SIG$signal";	3433	cf::cleanup "SIG$signal";
2400	},
2401	);	3434	};
		3435	}
		3436	}
		3437
		3438	sub write_runtime_sync {
		3439	my $runtime = "$LOCALDIR/runtime";
		3440
		3441	# first touch the runtime file to show we are still running:
		3442	# the fsync below can take a very very long time.
		3443
		3444	IO::AIO::aio_utime $runtime, undef, undef;
		3445
		3446	my $guard = cf::lock_acquire "write_runtime";
		3447
		3448	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3449	or return;
		3450
		3451	my $value = $cf::RUNTIME + 90 + 10;
		3452	# 10 is the runtime save interval, for a monotonic clock
		3453	# 60 allows for the watchdog to kill the server.
		3454
		3455	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3456	and return;
		3457
		3458	# always fsync - this file is important
		3459	aio_fsync $fh
		3460	and return;
		3461
		3462	# touch it again to show we are up-to-date
		3463	aio_utime $fh, undef, undef;
		3464
		3465	close $fh
		3466	or return;
		3467
		3468	aio_rename "$runtime~", $runtime
		3469	and return;
		3470
		3471	warn "runtime file written.\n";
		3472
2402	}	3473	1
		3474	}
		3475
		3476	our $uuid_lock;
		3477	our $uuid_skip;
		3478
		3479	sub write_uuid_sync($) {
		3480	$uuid_skip ||= $_[0];
		3481
		3482	return if $uuid_lock;
		3483	local $uuid_lock = 1;
		3484
		3485	my $uuid = "$LOCALDIR/uuid";
		3486
		3487	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3488	or return;
		3489
		3490	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3491	$uuid_skip = 0;
		3492
		3493	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3494	and return;
		3495
		3496	# always fsync - this file is important
		3497	aio_fsync $fh
		3498	and return;
		3499
		3500	close $fh
		3501	or return;
		3502
		3503	aio_rename "$uuid~", $uuid
		3504	and return;
		3505
		3506	warn "uuid file written ($value).\n";
		3507
		3508	1
		3509
		3510	}
		3511
		3512	sub write_uuid($$) {
		3513	my ($skip, $sync) = @_;
		3514
		3515	$sync ? write_uuid_sync $skip
		3516	: async { write_uuid_sync $skip };
2403	}	3517	}
2404		3518
2405	sub emergency_save() {	3519	sub emergency_save() {
2406	my $freeze_guard = cf::freeze_mainloop;	3520	my $freeze_guard = cf::freeze_mainloop;
2407		3521
…		…
2413	# and maps saved/destroyed asynchronously.	3527	# and maps saved/destroyed asynchronously.
2414	warn "begin emergency player save\n";	3528	warn "begin emergency player save\n";
2415	for my $login (keys %cf::PLAYER) {	3529	for my $login (keys %cf::PLAYER) {
2416	my $pl = $cf::PLAYER{$login} or next;	3530	my $pl = $cf::PLAYER{$login} or next;
2417	$pl->valid or next;	3531	$pl->valid or next;
		3532	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2418	$pl->save;	3533	$pl->save;
2419	}	3534	}
2420	warn "end emergency player save\n";	3535	warn "end emergency player save\n";
2421		3536
2422	warn "begin emergency map save\n";	3537	warn "begin emergency map save\n";
…		…
2428	warn "end emergency map save\n";	3543	warn "end emergency map save\n";
2429		3544
2430	warn "begin emergency database checkpoint\n";	3545	warn "begin emergency database checkpoint\n";
2431	BDB::db_env_txn_checkpoint $DB_ENV;	3546	BDB::db_env_txn_checkpoint $DB_ENV;
2432	warn "end emergency database checkpoint\n";	3547	warn "end emergency database checkpoint\n";
		3548
		3549	warn "begin write uuid\n";
		3550	write_uuid_sync 1;
		3551	warn "end write uuid\n";
2433	};	3552	};
2434		3553
2435	warn "leave emergency perl save\n";	3554	warn "leave emergency perl save\n";
2436	}	3555	}
2437		3556
…		…
2440		3559
2441	warn Carp::longmess "post_cleanup backtrace"	3560	warn Carp::longmess "post_cleanup backtrace"
2442	if $make_core;	3561	if $make_core;
2443	}	3562	}
2444		3563
2445	sub reload() {	3564	sub do_reload_perl() {
2446	# can/must only be called in main	3565	# can/must only be called in main
2447	if ($Coro::current != $Coro::main) {	3566	if ($Coro::current != $Coro::main) {
2448	warn "can only reload from main coroutine";	3567	warn "can only reload from main coroutine";
2449	return;	3568	return;
2450	}	3569	}
…		…
2452	warn "reloading...";	3571	warn "reloading...";
2453		3572
2454	warn "entering sync_job";	3573	warn "entering sync_job";
2455		3574
2456	cf::sync_job {	3575	cf::sync_job {
2457	cf::write_runtime; # external watchdog should not bark	3576	cf::write_runtime_sync; # external watchdog should not bark
2458	cf::emergency_save;	3577	cf::emergency_save;
2459	cf::write_runtime; # external watchdog should not bark	3578	cf::write_runtime_sync; # external watchdog should not bark
2460		3579
2461	warn "syncing database to disk";	3580	warn "syncing database to disk";
2462	BDB::db_env_txn_checkpoint $DB_ENV;	3581	BDB::db_env_txn_checkpoint $DB_ENV;
2463		3582
2464	# if anything goes wrong in here, we should simply crash as we already saved	3583	# if anything goes wrong in here, we should simply crash as we already saved
2465
2466	warn "cancelling all WF_AUTOCANCEL watchers";
2467	for (Event::all_watchers) {
2468	$_->cancel if $_->data & WF_AUTOCANCEL;
2469	}
2470		3584
2471	warn "flushing outstanding aio requests";	3585	warn "flushing outstanding aio requests";
2472	for (;;) {	3586	for (;;) {
2473	BDB::flush;	3587	BDB::flush;
2474	IO::AIO::flush;	3588	IO::AIO::flush;
2475	Coro::cede;	3589	Coro::cede_notself;
2476	last unless IO::AIO::nreqs || BDB::nreqs;	3590	last unless IO::AIO::nreqs || BDB::nreqs;
2477	warn "iterate...";	3591	warn "iterate...";
2478	}	3592	}
2479		3593
2480	++$RELOAD;	3594	++$RELOAD;
…		…
2484	%EXT_CORO = ();	3598	%EXT_CORO = ();
2485		3599
2486	warn "removing commands";	3600	warn "removing commands";
2487	%COMMAND = ();	3601	%COMMAND = ();
2488		3602
2489	warn "removing ext commands";	3603	warn "removing ext/exti commands";
2490	%EXTCMD = ();	3604	%EXTCMD = ();
		3605	%EXTICMD = ();
2491		3606
2492	warn "unloading/nuking all extensions";	3607	warn "unloading/nuking all extensions";
2493	for my $pkg (@EXTS) {	3608	for my $pkg (@EXTS) {
2494	warn "... unloading $pkg";	3609	warn "... unloading $pkg";
2495		3610
…		…
2525	Symbol::delete_package "safe::$_"	3640	Symbol::delete_package "safe::$_"
2526	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3641	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2527		3642
2528	warn "unloading cf.pm \"a bit\"";	3643	warn "unloading cf.pm \"a bit\"";
2529	delete $INC{"cf.pm"};	3644	delete $INC{"cf.pm"};
		3645	delete $INC{"cf/pod.pm"};
2530		3646
2531	# don't, removes xs symbols, too,	3647	# don't, removes xs symbols, too,
2532	# and global variables created in xs	3648	# and global variables created in xs
2533	#Symbol::delete_package __PACKAGE__;	3649	#Symbol::delete_package __PACKAGE__;
2534		3650
…		…
2537	warn "reloading cf.pm";	3653	warn "reloading cf.pm";
2538	require cf;	3654	require cf;
2539	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3655	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2540		3656
2541	warn "loading config and database again";	3657	warn "loading config and database again";
2542	cf::cfg_load;	3658	cf::reload_config;
2543		3659
2544	warn "loading extensions";	3660	warn "loading extensions";
2545	cf::load_extensions;	3661	cf::load_extensions;
2546		3662
2547	warn "reattaching attachments to objects/players";	3663	warn "reattaching attachments to objects/players";
…		…
2549	warn "reattaching attachments to maps";	3665	warn "reattaching attachments to maps";
2550	reattach $_ for values %MAP;	3666	reattach $_ for values %MAP;
2551	warn "reattaching attachments to players";	3667	warn "reattaching attachments to players";
2552	reattach $_ for values %PLAYER;	3668	reattach $_ for values %PLAYER;
2553		3669
2554	warn "loading reloadable resources";
2555	reload_resources;
2556
2557	warn "leaving sync_job";	3670	warn "leaving sync_job";
2558		3671
2559	1	3672	1
2560	} or do {	3673	} or do {
2561	warn $@;	3674	warn $@;
2562	warn "error while reloading, exiting.";	3675	cf::cleanup "error while reloading, exiting.";
2563	exit 1;
2564	};	3676	};
2565		3677
2566	warn "reloaded";	3678	warn "reloaded";
2567	};	3679	};
2568		3680
2569	our $RELOAD_WATCHER; # used only during reload	3681	our $RELOAD_WATCHER; # used only during reload
2570		3682
		3683	sub reload_perl() {
		3684	# doing reload synchronously and two reloads happen back-to-back,
		3685	# coro crashes during coro_state_free->destroy here.
		3686
		3687	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3688	do_reload_perl;
		3689	undef $RELOAD_WATCHER;
		3690	};
		3691	}
		3692
2571	register_command "reload" => sub {	3693	register_command "reload" => sub {
2572	my ($who, $arg) = @_;	3694	my ($who, $arg) = @_;
2573		3695
2574	if ($who->flag (FLAG_WIZ)) {	3696	if ($who->flag (FLAG_WIZ)) {
2575	$who->message ("reloading server.");	3697	$who->message ("reloading server.");
2576		3698	async {
2577	# doing reload synchronously and two reloads happen back-to-back,	3699	$Coro::current->{desc} = "perl_reload";
2578	# coro crashes during coro_state_free->destroy here.
2579
2580	$RELOAD_WATCHER ||= Event->timer (
2581	reentrant => 0,
2582	after => 0,
2583	data => WF_AUTOCANCEL,
2584	cb => sub {
2585	reload;	3700	reload_perl;
2586	undef $RELOAD_WATCHER;
2587	},
2588	);	3701	};
2589	}	3702	}
2590	};	3703	};
2591		3704
2592	unshift @INC, $LIBDIR;	3705	unshift @INC, $LIBDIR;
2593		3706
2594	my $bug_warning = 0;	3707	my $bug_warning = 0;
2595		3708
2596	$TICK_WATCHER = Event->timer (	3709	our @WAIT_FOR_TICK;
2597	reentrant => 0,	3710	our @WAIT_FOR_TICK_BEGIN;
2598	parked => 1,	3711
2599	prio => 0,	3712	sub wait_for_tick {
2600	at => $NEXT_TICK || $TICK,	3713	return if tick_inhibit || $Coro::current == $Coro::main;
2601	data => WF_AUTOCANCEL,	3714
2602	cb => sub {	3715	my $signal = new Coro::Signal;
		3716	push @WAIT_FOR_TICK, $signal;
		3717	$signal->wait;
		3718	}
		3719
		3720	sub wait_for_tick_begin {
		3721	return if tick_inhibit || $Coro::current == $Coro::main;
		3722
		3723	my $signal = new Coro::Signal;
		3724	push @WAIT_FOR_TICK_BEGIN, $signal;
		3725	$signal->wait;
		3726	}
		3727
		3728	sub tick {
2603	if ($Coro::current != $Coro::main) {	3729	if ($Coro::current != $Coro::main) {
2604	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3730	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2605	unless ++$bug_warning > 10;	3731	unless ++$bug_warning > 10;
2606	return;	3732	return;
2607	}	3733	}
2608		3734
2609	$NOW = Event::time;
2610
2611	cf::server_tick; # one server iteration	3735	cf::server_tick; # one server iteration
2612	$RUNTIME += $TICK;
2613	$NEXT_TICK += $TICK;
2614		3736
2615	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3737	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2616	$NEXT_RUNTIME_WRITE = $NOW + 10;	3738	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2617	Coro::async_pool {	3739	Coro::async_pool {
		3740	$Coro::current->{desc} = "runtime saver";
2618	write_runtime	3741	write_runtime_sync
2619	or warn "ERROR: unable to write runtime file: $!";	3742	or warn "ERROR: unable to write runtime file: $!";
2620	};
2621	}	3743	};
2622
2623	$WAIT_FOR_TICK->broadcast;
2624	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2625
2626	# my $AFTER = Event::time;
2627	# warn $AFTER - $NOW;#d#
2628
2629	# if we are delayed by four ticks or more, skip them all
2630	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2631
2632	$TICK_WATCHER->at ($NEXT_TICK);
2633	$TICK_WATCHER->start;
2634	},	3744	}
2635	);	3745
		3746	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3747	$sig->send;
		3748	}
		3749	while (my $sig = shift @WAIT_FOR_TICK) {
		3750	$sig->send;
		3751	}
		3752
		3753	$LOAD = ($NOW - $TICK_START) / $TICK;
		3754	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3755
		3756	if (0) {
		3757	if ($NEXT_TICK) {
		3758	my $jitter = $TICK_START - $NEXT_TICK;
		3759	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3760	warn "jitter $JITTER\n";#d#
		3761	}
		3762	}
		3763	}
2636		3764
2637	{	3765	{
2638	BDB::max_poll_time $TICK * 0.1;	3766	# configure BDB
2639	$BDB_POLL_WATCHER = Event->io (	3767
2640	reentrant => 0,
2641	fd => BDB::poll_fileno,
2642	poll => 'r',
2643	prio => 0,
2644	data => WF_AUTOCANCEL,
2645	cb => \&BDB::poll_cb,
2646	);
2647	BDB::min_parallel 8;	3768	BDB::min_parallel 8;
2648		3769	BDB::max_poll_reqs $TICK * 0.1;
2649	BDB::set_sync_prepare {	3770	$Coro::BDB::WATCHER->priority (1);
2650	my $status;
2651	my $current = $Coro::current;
2652	(
2653	sub {
2654	$status = $!;
2655	$current->ready; undef $current;
2656	},
2657	sub {
2658	Coro::schedule while defined $current;
2659	$! = $status;
2660	},
2661	)
2662	};
2663		3771
2664	unless ($DB_ENV) {	3772	unless ($DB_ENV) {
2665	$DB_ENV = BDB::db_env_create;	3773	$DB_ENV = BDB::db_env_create;
		3774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3775	| BDB::LOG_AUTOREMOVE, 1);
		3776	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3777	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2666		3778
2667	cf::sync_job {	3779	cf::sync_job {
2668	eval {	3780	eval {
2669	BDB::db_env_open	3781	BDB::db_env_open
2670	$DB_ENV,	3782	$DB_ENV,
2671	$BDB_ENV_DIR,	3783	$BDBDIR,
2672	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3784	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2673	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3785	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2674	0666;	3786	0666;
2675		3787
2676	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3788	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2677
2678	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2679	$DB_ENV->set_lk_detect;
2680	};	3789	};
2681		3790
2682	cf::cleanup "db_env_open(db): $@" if $@;	3791	cf::cleanup "db_env_open(db): $@" if $@;
2683	};	3792	};
2684	}	3793	}
		3794
		3795	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3796	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3797	};
		3798	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3799	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3800	};
		3801	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3802	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3803	};
2685	}	3804	}
2686		3805
2687	{	3806	{
		3807	# configure IO::AIO
		3808
2688	IO::AIO::min_parallel 8;	3809	IO::AIO::min_parallel 8;
2689
2690	undef $Coro::AIO::WATCHER;
2691	IO::AIO::max_poll_time $TICK * 0.1;	3810	IO::AIO::max_poll_time $TICK * 0.1;
2692	$AIO_POLL_WATCHER = Event->io (	3811	$Coro::AIO::WATCHER->priority (1);
2693	reentrant => 0,
2694	data => WF_AUTOCANCEL,
2695	fd => IO::AIO::poll_fileno,
2696	poll => 'r',
2697	prio => 6,
2698	cb => \&IO::AIO::poll_cb,
2699	);
2700	}	3812	}
		3813
		3814	my $_log_backtrace;
		3815
		3816	sub _log_backtrace {
		3817	my ($msg, @addr) = @_;
		3818
		3819	$msg =~ s/\n//;
		3820
		3821	# limit the # of concurrent backtraces
		3822	if ($_log_backtrace < 2) {
		3823	++$_log_backtrace;
		3824	async {
		3825	$Coro::current->{desc} = "abt $msg";
		3826
		3827	my @bt = fork_call {
		3828	@addr = map { sprintf "%x", $_ } @addr;
		3829	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3830	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3831	or die "addr2line: $!";
		3832
		3833	my @funcs;
		3834	my @res = <$fh>;
		3835	chomp for @res;
		3836	while (@res) {
		3837	my ($func, $line) = splice @res, 0, 2, ();
		3838	push @funcs, "[$func] $line";
		3839	}
		3840
		3841	@funcs
		3842	};
		3843
		3844	LOG llevInfo, "[ABT] $msg\n";
		3845	LOG llevInfo, "[ABT] $_\n" for @bt;
		3846	--$_log_backtrace;
		3847	};
		3848	} else {
		3849	LOG llevInfo, "[ABT] $msg\n";
		3850	LOG llevInfo, "[ABT] [suppressed]\n";
		3851	}
		3852	}
		3853
		3854	# load additional modules
		3855	use cf::pod;
2701		3856
2702	END { cf::emergency_save }	3857	END { cf::emergency_save }
2703		3858
2704	1	3859	1
2705		3860

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